Tour:Index of a subgroup

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This article adapts material from the main article: index of a subgroup

This page is part of the Groupprops Guided tour for beginners (Jump to beginning of tour)
PREVIOUS: Left and right coset spaces are naturally isomorphic |UP: Introduction three (beginners) | NEXT: Lagrange's theorem
WHAT YOU NEED TO DO:
  • Read the two equivalent definitions of index (as number of left cosets, and number of right cosets)
  • Peruse through the rest of the page's content.
This page is part of the Groupprops Guided tour for beginners (Jump to beginning of tour). If you found anything difficult or unclear, make a note of it; it is likely to be resolved by the end of the tour.
PREVIOUS: Left and right coset spaces are naturally isomorphic | UP: Introduction three (beginners) | NEXT: Lagrange's theorem